<template>
    <div class="app-container">
          <template>
              讲师列表

    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
        <!-- 表格 -->
    <el-table
      :data="list"
      border
      fit
      highlight-current-row>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>


<!-- todo   -->
      <!-- <el-table-column
        label="头像"
        align="center">
<div class="demo-image__placeholder">
  <div class="block">
    <span class="demonstration">默认</span>
    <el-image :src="scope.row.avatar" ></el-image>
  </div>
</div>
</el-table-column> -->



<el-table-column label="头像" width="70" >
                <template slot-scope="scope">
                    <img :src="scope.row.avatar" width="100%" height="100%" class="avatar"/>
                </template>
            </el-table-column>



      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
            <!-- ===表示匹配类型和值 -->
          {{ scope.row.level===1?'高级讲师':'首席讲师' }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历"  width="200">

      </el-table-column>

      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/save/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
     <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </template>
    </div>
</template>
<script>
import teacher from '@/api/edu/teacher'
export default {
    //写核心代码位置
    data(){
        return {
            list:null,
            page:1,
            limit:5,
            total:0,
            teacherQuery:{}
        }
    },
    created(){
        this.getList()
    },
    methods:{
        //讲师列表方法
        getList(page = 1){
            this.page = page
            teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
            .then(response=>{//请求成功
            // response接口返回的数据
                // console.log(response)
                this.list = response.data.rows
                this.total = response.data.total
                console.log(this.list)  
                 console.log(this.total) ;
            })
            .catch(error =>{//请求失败
                console.log(error)
            })
        }
        ,
        resetData() {//清空的方法
            //表单输入项数据清空
            this.teacherQuery = {}
            //查询所有讲师数据
            this.getList(this.page)
        }
        ,
        removeDataById(id){
             this.$confirm('此操作将永久删除讲师记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
             teacher.deleteTeacherId(id)
            .then(response=>{//请求成功
                this.$message({
                     type: 'success',
                     message: '删除成功!'
                })
                this.getList()
            })
        })
        }
    }
}
</script>